diff --git a/packages/store/addon/-private/ts-interfaces/minimum-serializer-interface.ts b/packages/store/addon/-private/ts-interfaces/minimum-serializer-interface.ts
index 5f9b931d5a3..4779db97ba6 100644
--- a/packages/store/addon/-private/ts-interfaces/minimum-serializer-interface.ts
+++ b/packages/store/addon/-private/ts-interfaces/minimum-serializer-interface.ts
@@ -33,7 +33,7 @@
 
     serialize(snapshot, options) {
       const serializedResource = {
-        id: snapshot.id(),
+        id: snapshot.id,
         type: snapshot.modelName,
         attributes: snapshot.attributes()
       };